GroupDocs.Signature for Java API functionality contains vast selection of means to process in demand documents formats by using electronic signatures. Wide spectrum of e-signatures like texts, images, digital certificates, barcodes, QR-codes, stamps or metadata are supported. Customers can add, remove, edit, validate or search digital signatures at PDFs, MS Word documents, MS Excel workbooks, MS PowerPoint presentations, Adobe Photoshop files and various image formats. Numerous useful features and settings are available.
GroupDocs.Signature for Java includes useful features like updation of Text signatures placed at Pptx documents. It makes possible to change signatures features without extra code.
GroupDocs.Signature for Java are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.
// Set up input Pptx file
String filePath = "input.pptx";
// Set up output file
String outputFilePath = "output.pptx";
// Instantiate Signature for input file
Signature signature = new Signature(filePath);
// Id of signature which is supposed to be updated
// such Id might be got as a result of search operation
String id = "eff64a14-dad9-47b0-88e5-2ee4e3604e71";
// provide signature features to update
// set up particular signature id
TextSignature signatureToUpdate = new TextSignature(id);
// specify signature width
signatureToUpdate.setWidth(130);
// specify signature height
signatureToUpdate.setHeight(20);
// set left position
signatureToUpdate.setLeft(40);
// set top position
signatureToUpdate.setTop(50);
// set up new text
signatureToUpdate.setText("Mr. John Smith");
// update signature
Boolean updateResult = signature.update(outputFilePath, signatureToUpdate);
// process updation result
if (updateResult)
{
System.out.println("Signature was updated successfully!");
}
Edit various electronic signatures of the Pptx document right now by visiting the GroupDocs.Signature App website.
No need to download API
No need to write any code
Just upload the source file
Get download link to save the file
“Editing digital signatures which are placed in various document formats. Update signatures data without extra code.”
(Portable Document Format)
(Microsoft Word Binary Format)
(Office 2007+ Word Document)
(Microsoft Word 2007 Marco File)
(Microsoft Word Template Files)
(Microsoft Word 2007+ Template File)
(Microsoft Word Template File )
(OpenDocument Text File Format)
(OpenDocument Standard Format)
(Rich Text Format)
(Microsoft Excel Spreadsheet (Legacy))
(Open XML Workbook)
(Macro-enabled Spreadsheet)
(Excel Binary Workbook)
(Comma Seperated Values)
(OpenDocument Spreadsheet)
(OpenDocument Spreadsheet Template)
(Excel Template)
(Excel Macro-Enabled Template)
(Microsoft PowerPoint 97-2003)
(PowerPoint Slide Show)
(PowerPoint Slide Show)
(OpenDocument Presentation Format)
(OpenDocument Standard Format)
(Microsoft PowerPoint Template Presentation)
(Microsoft PowerPoint Template File)
(Macro-enabled Presentation File)
(Macro-enabled Slide Show)